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deploy.go
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deploy.go
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package ingress
import (
"context"
"github.com/pkg/errors"
networkingv1 "k8s.io/api/networking/v1"
kuberneteserrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
func EnsureIngress(ctx context.Context, clientset kubernetes.Interface, namespace string, ingress *networkingv1.Ingress) error {
existing, err := clientset.NetworkingV1().Ingresses(namespace).Get(ctx, ingress.Name, metav1.GetOptions{})
if err != nil {
if !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to get existing ingress")
}
_, err = clientset.NetworkingV1().Ingresses(namespace).Create(ctx, ingress, metav1.CreateOptions{})
if err != nil {
return errors.Wrap(err, "failed to create ingress")
}
return nil
}
existing = updateIngress(existing, ingress)
_, err = clientset.NetworkingV1().Ingresses(namespace).Update(ctx, existing, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update ingress")
}
return nil
}
func updateIngress(existing, desiredIngress *networkingv1.Ingress) *networkingv1.Ingress {
existing.Annotations = desiredIngress.Annotations
existing.Spec.Rules = desiredIngress.Spec.Rules
existing.Spec.TLS = desiredIngress.Spec.TLS
return existing
}